A:排除号码:
排除前区:04,06,09,10,14,17,21,28=0-1
排除后区:01,03,05,09
B:龙头凤尾:
龙头关注:05或07
凤尾关注:32或34
C:前区方案:
a-10码:05,07,08,11,16,19,23,25,32,34
b-14码:05,07,08,11,12,16,19,23,25,30,31,32,33,34c-18码:05,07,08,11,12,15,16,19,20,22,23,25,30,31,32,33,34,35
D:后区方案:
后区2码:10,12
后区4码:04,06,10,12
后区6码:02,04,06,07,10,12